package com.fy.utils;

import com.fy.common.Constants;
import com.fy.common.GlobalConst;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.net.ssl.*;
import java.io.*;
import java.net.*;
import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.X509Certificate;

/**
 * 通用http发送方法
 * 
 * @author slm
 */
public class HttpUtils
{
    private static final Logger log = LoggerFactory.getLogger(HttpUtils.class);

    private  static final String fileSux = "PDF,DOC,TXT,DOCX,XLS,XLSX,PPT,PPTX";

    /**
     * 向指定 URL 发送GET方法的请求
     *
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param)
    {
        return sendGet(url, param, GlobalConst.UTF8);
    }

    /**
     * 向指定 URL 发送GET方法的请求
     *
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @param contentType 编码类型
     * @return 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param, String contentType)
    {
        StringBuilder result = new StringBuilder();
        BufferedReader in = null;
        try
        {
            String urlNameString = url + "?" + param;
            log.info("sendGet - {}", urlNameString);
            URL realUrl = new URL(urlNameString);
            URLConnection connection = realUrl.openConnection();
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            connection.connect();
            in = new BufferedReader(new InputStreamReader(connection.getInputStream(), contentType));
            String line;
            while ((line = in.readLine()) != null)
            {
                result.append(line);
            }
            log.info("recv - {}", result);
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendGet ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendGet SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendGet IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendGet Exception, url=" + url + ",param=" + param, e);
        }
        finally
        {
            try
            {
                if (in != null)
                {
                    in.close();
                }
            }
            catch (Exception ex)
            {
                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
            }
        }
        return result.toString();
    }

    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url 发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public static String sendPost(String url, String param)
    {
        PrintWriter out = null;
        BufferedReader in = null;
        StringBuilder result = new StringBuilder();
        try
        {
            String urlNameString = url + "?" + param;
            log.info("sendPost - {}", urlNameString);
            URL realUrl = new URL(urlNameString);
            URLConnection conn = realUrl.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("contentType", "utf-8");
            conn.setDoOutput(true);
            conn.setDoInput(true);
            out = new PrintWriter(conn.getOutputStream());
            out.print(param);
            out.flush();
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "utf-8"));
            String line;
            while ((line = in.readLine()) != null)
            {
                result.append(line);
            }
            log.info("recv - {}", result);
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendPost ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendPost SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendPost IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendPost Exception, url=" + url + ",param=" + param, e);
        }
        finally
        {
            try
            {
                if (out != null)
                {
                    out.close();
                }
                if (in != null)
                {
                    in.close();
                }
            }
            catch (IOException ex)
            {
                log.error("调用in.close Exception, url=" + url + ",param=" + param, ex);
            }
        }
        return result.toString();
    }

    public static String sendSSLPost(String url, String param)
    {
        StringBuilder result = new StringBuilder();
        String urlNameString = url + "?" + param;
        try
        {
            log.info("sendSSLPost - {}", urlNameString);
            SSLContext sc = SSLContext.getInstance("SSL");
            sc.init(null, new TrustManager[] { new TrustAnyTrustManager() }, new java.security.SecureRandom());
            URL console = new URL(urlNameString);
            HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Accept-Charset", "utf-8");
            conn.setRequestProperty("contentType", "utf-8");
            conn.setDoOutput(true);
            conn.setDoInput(true);

            conn.setSSLSocketFactory(sc.getSocketFactory());
            conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
            conn.connect();
            InputStream is = conn.getInputStream();
            BufferedReader br = new BufferedReader(new InputStreamReader(is));
            String ret = "";
            while ((ret = br.readLine()) != null)
            {
                if (ret != null && !ret.trim().equals(""))
                {
                    result.append(new String(ret.getBytes("ISO-8859-1"), "utf-8"));
                }
            }
            log.info("recv - {}", result);
            conn.disconnect();
            br.close();
        }
        catch (ConnectException e)
        {
            log.error("调用HttpUtils.sendSSLPost ConnectException, url=" + url + ",param=" + param, e);
        }
        catch (SocketTimeoutException e)
        {
            log.error("调用HttpUtils.sendSSLPost SocketTimeoutException, url=" + url + ",param=" + param, e);
        }
        catch (IOException e)
        {
            log.error("调用HttpUtils.sendSSLPost IOException, url=" + url + ",param=" + param, e);
        }
        catch (Exception e)
        {
            log.error("调用HttpsUtil.sendSSLPost Exception, url=" + url + ",param=" + param, e);
        }
        return result.toString();
    }

    private static class TrustAnyTrustManager implements X509TrustManager
    {
        @Override
        public void checkClientTrusted(X509Certificate[] chain, String authType)
        {
        }

        @Override
        public void checkServerTrusted(X509Certificate[] chain, String authType)
        {
        }

        @Override
        public X509Certificate[] getAcceptedIssuers()
        {
            return new X509Certificate[] {};
        }
    }

    private static class TrustAnyHostnameVerifier implements HostnameVerifier
    {
        @Override
        public boolean verify(String hostname, SSLSession session)
        {
            return true;
        }
    }


    /**
     * post请求
     * @param url    请求地址
     * @return    返回接口字符串
     * @throws Exception
     */
    public static String httpPost(String url, String params) throws Exception {
        try {
            URL urls = new URL(url);// 创建连接
            HttpURLConnection connection = (HttpURLConnection)
                    urls.openConnection();
            connection.setDoOutput(true);
            connection.setDoInput(true);
            connection.setUseCaches(false);
            connection.setInstanceFollowRedirects(true);
            connection.setRequestMethod("POST");// 设置bai请求方式du
            connection.setRequestProperty("Accept","application/json");// 设置接收数据的zhi格式
            connection.setRequestProperty("Content-Type","application/json");// 设置发送数据的格式
            connection.connect(); OutputStreamWriter out = new OutputStreamWriter( connection.getOutputStream(),"UTF-8");// utf-8编码
            out.append(params); out.flush(); out.close(); // 读取响应
            int length = (int) connection.getContentLength();// 获取长度dao
            InputStream is = connection.getInputStream();
            if (length != -1){
                byte[] data = new byte[length];
                byte[] temp = new byte[512];
                int readLen = 0; int destPos = 0;
                while ((readLen = is.read(temp)) > 0){
                    System.arraycopy(temp, 0, data, destPos, readLen);
                    destPos += readLen;
                }
                String result = new String(data, "UTF-8");
                System.out.println(result);
                return result;
            }
        } catch (Exception e) {
           e.printStackTrace();

        }
        return "error";
    }

    /**
     * post方式请求服务器(https协议)
     * @param url 请求地址
     * @param content 参数
     * @param charset 编码
     * @return
     */
    public static byte[] post(String url, String content, String charset)
            throws NoSuchAlgorithmException, KeyManagementException,
            IOException {
        SSLContext sc = SSLContext.getInstance("SSL");
        sc.init(null, new TrustManager[] { new TrustAnyTrustManager() },
                new java.security.SecureRandom());

        URL console = new URL(url);
        HttpsURLConnection conn = (HttpsURLConnection) console.openConnection();
        conn.setSSLSocketFactory(sc.getSocketFactory());
        conn.setHostnameVerifier(new TrustAnyHostnameVerifier());
        conn.setDoOutput(true);
        conn.connect();
        DataOutputStream out = new DataOutputStream(conn.getOutputStream());
        out.write(content.getBytes(charset));
        // 刷新、关闭
        out.flush();
        out.close();
        InputStream is = conn.getInputStream();
        if (is != null) {
            ByteArrayOutputStream outStream = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024];
            int len = 0;
            while ((len = is.read(buffer)) != -1) {
                outStream.write(buffer, 0, len);
            }
            is.close();
            return outStream.toByteArray();
        }
        return null;
    }

    public static String convertPath(String path,boolean isFilePath){
        if(path.contains(Constants.DOMAIN_KPGX_SELF)){
            path = path.replace(Constants.DOMAIN_KPGX_SELF,Constants.DOMAIN_KPGX_CDN);
        }
        if(path.contains(Constants.DOMAIN_ZXPX_SELF)){
            path = path.replace(Constants.DOMAIN_ZXPX_SELF,Constants.DOMAIN_ZXPX_CDN);
        }
        int index = path.lastIndexOf(".");
        String sux = path.substring(index + 1).toUpperCase();
        if(isFilePath){
            if(StringUtils.isNotEmpty(sux)&&"MP4".equals(sux)){
                path = path.substring(0,index)+"_cover.mp4";
            }
        }else{
            if(fileSux.contains(sux)){
                path += "?ci-process=doc-preview&page=1" ;
                //ci-process=doc-preview&dstType=html&copyable=0
            }else{
                return null;
            }
        }
        return path;
    }

    public static String convertCDNPath(String path){
        if(StringUtils.isNotEmpty(path)){
            if(path.contains(Constants.DOMAIN_KPGX_SELF)){
                path = path.replace(Constants.DOMAIN_KPGX_SELF,Constants.DOMAIN_KPGX_CDN);
            }
            if(path.contains(Constants.DOMAIN_ZXPX_SELF)){
                path = path.replace(Constants.DOMAIN_ZXPX_SELF,Constants.DOMAIN_ZXPX_CDN);
            }
        }
        return path;
    }
    public static String convertFullPath(String htmlPath){
        log.debug("htmlPath:" + htmlPath);
        String endHtmlPath = null;
        if("null".equals(htmlPath)){
            return endHtmlPath;
        }
        if(StringUtils.isNotEmpty(htmlPath)){
            int index = htmlPath.lastIndexOf(".");
            int end = htmlPath.lastIndexOf("?")==0?htmlPath.length():htmlPath.lastIndexOf("?");
            if(end > 0){
                String sux = htmlPath.substring(index + 1,end).toUpperCase();
                if( fileSux.contains(sux) ){
                    endHtmlPath = htmlPath.replace("ci-process=doc-preview&page=1","ci-process=doc-preview&dstType=html&copyable=0");
                }
            }
        }
        return endHtmlPath;
    }

    public static void main(String[] args) {
//      String url = "https://kepu-1300652598.cos.ap-beijing.myqcloud.com/11223344.mp4";
      String url = "https://zxpx-1300652598.cos.ap-beijing.myqcloud.com/zxpx/2021/2/2/f791f2be-5a1f-4e64-b77a-5c7831575fde.mp4";
        String s = convertPath(url, true);
        System.out.println(s);
    }
}